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 ###Instrução: Quais são as datas de pesquisa da Decima quando Larry O'Brien tem 37%?
 ###Tabelas: CREATE TABLE world_championship_group_b_yugoslavia (world_championship_group_b_yugoslavia_id AUTO_INCREMENT PRIMARY KEY, Games INT, Drawn INT, Lost INT, Points difference VARCHAR, Points INT) CREATE TABLE seasonal_ratings_broadcast_history (seasonal_ratings_broadcast_history_id AUTO_INCREMENT PRIMARY KEY, Season INT, Network VARCHAR, Time slot VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, Episode count INT, TV season VARCHAR, Season rank VARCHAR, Viewers (in millions) INT) CREATE TABLE poll_results (poll_results_id AUTO_INCREMENT PRIMARY KEY, Polling Firm VARCHAR, Polling Dates VARCHAR, Bob Chiarelli VARCHAR, Alex Munter VARCHAR, Larry O'Brien VARCHAR, Terry Kilrea (dropped out) VARCHAR) CREATE TABLE list_a_partnership_records (list_a_partnership_records_id AUTO_INCREMENT PRIMARY KEY, Wicket VARCHAR, Runs VARCHAR, Batsmen VARCHAR, Opponent VARCHAR, Venue VARCHAR, Season VARCHAR) CREATE TABLE 1990s-_persian_gulf_war_and_no-fly_zones (1990s-_persian_gulf_war_and_no-fly_zones_id AUTO_INCREMENT PRIMARY KEY, Aircraft VARCHAR, 1990 INT, destroyed INT, damaged INT, to Iran INT, survived INT)  
SELECT Polling Dates FROM poll_results WHERE Polling Firm = decima AND Larry O'Brien = 37%